32. You have made the final delivery of your software.

Before making the release, you ensured that thorough testing was done and project scope was verified.

After a week of taking delivery, the customer shows his dissatisfaction with the release and says the product doesnt support a critical functionality. he asks you to add this feature. What should you do

a, understand the customer requirement and estimate the additional time and resources required to complete it, communicate the same to the customer